Do the preparation task first. Then read the text and tips and do the exercises.
- Start with a friendly comment:
I hope you're well.
- It's usually best to use an informal style with colleagues:
Hi Maria, …
Thanks for your help.
- Keep it short.
- Mention the good work they did and the positive effect of it:
Your expertise was vital for this project.
We couldn't have finished it successfully without your help.
- End with a positive comment about future collaboration:
I hope to work with you more closely in future.
I look forward to working with you again.